Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Answer: B
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Find the maximum value of Q(x) subject to the constraint xTx = 1.Q(x) = 14
+ 14
+ 18
+ 26x1x2 + 18x1x3 + 18x2x3
A. 9 B. 25 C. 36 D. 1
Evaluate the exponential expression.-5-4
A. 
B. - 
C. 625
D. -625
Solve the problem.Jamil always throws loose change into a pencil holder on his desk and takes it out every two weeks. This time it is all nickels and dimes. There are 8 times as many dimes as nickels, and the value of the dimes is $2.25 more than the value of the nickels. How many nickels and dimes does Jamil have?
A. 24 nickels and 3 dimes B. 2 nickels and 16 dimes C. 4 nickels and 32 dimes D. 3 nickels and 24 dimes
Solve the problem using two linear equations in two variables and Cramer's rule.The perimeter of a rectangle is 24 units. If the width is doubled and the length is tripled, the perimeter is 60 units. Determine the original width and length.
A. width = 10 units, length = 20 units B. width = 8 units, length = 12 units C. width = 6 units, length = 6 units D. width = 12 units, length = 12 units